智能超表面系统的通信感知一体化：现状、设计与展望

doi:10.11959/j.issn.1000-0801.2022259

Abstract

Abstract:

Integrated sensing and communication (ISAC) is the dominant trend of the sixth generation mobile communication networks (6G).The introduction of ISAC into the reconfigurable intelligent surface (RIS) system can expand the system coverage, improve both communication and sensing performances, and reduce the hardware cost as well as the power consumption of the system.On the basis of outlining and analyzing the research status of ISAC in RIS systems, two non-orthogonal ISAC methods were proposed to support concurrent communication and sensing for blind-zone users on non-orthogonal time-frequency resources.Finally, the technical challenges and future development of ISAC in RIS systems were discussed.

Key words: integrated sensing and communication, reconfigurable intelligent surface, joint active and passive beamforming

CLC Number:

TP393

Xiaoling HU, Zhouyuan YU, Xiaowei QIAN, Mugen PENG. Integrated sensing and communication in reconfigurable intelligent surface systems: status, design and outlook[J]. Telecommunications Science, 2022, 38(9): 36-49.

Figures/Tables 15

References 27

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分类	参考文献	RIS作用	通感性能评价指标	设计参数	CSI
RCC	[9]	抑制通感干扰	雷达检测概率SINR	联合优化基站和RIS波束成形	完美CSI
	[10]	抑制通感干扰	雷达SINR通信SINR	联合优化RIS和雷达波束成形	完美CSI
DFRC	[11]	协助盲区感知	雷达SINR通信SINR	联合优化基站和RIS波束成形	完美CSI
	[12-13]	增强通信和感知信号	雷达SNR通信SNR	联合优化基站和RIS波束成形	完美CSI
	[14]	抑制通信MUI	波束方向图MUI	联合优化一体化波形和RIS波束成形	完美CSI
	[15]	抑制通信MUI	CRLB MUI	联合优化一体化波形和RIS波束成形	完美CSI
正交ISAC	[23]	增强通感信号	定位误差界频谱效率	优化RIS波束成形	完美CSI
	[24]	增强通感信号	CRLB有效通信速率	联合优化基站和RIS波束成形以及通感时间分配比例	完美CSI
非正交ISAC	[25-26]	协助盲区通信和感知	通感SNR	联合优化基站和RIS波束成形	位置信息

Integrated sensing and communication in reconfigurable intelligent surface systems: status, design and outlook

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